Why enameled aluminum wires is more popular than that of enameled copper wires in transformer use in recent years?

Apr 10, 2018

Transformer enameled wire includes enameled copper wires and enameled aluminum wires. Now we will discuss the reasons of enameled aluminum wires is more popular than that of enameled copper wires in transformer use.

1.The different metal feature

The enameled copper wires is normally made from electrolytic-tough pitch (ETP) copper, also known as oxygen-free copper. The enameled aluminium wires will be used on larger transformers that are lower voltage and have kilovolt-amperes (kva) greater than 15.

But the material of aluminum conductor has lower conductivity than copper, aluminium needs a cross-section that is 66% larger than a copper would require to achieve equal ratings. For this reason, copper wire takes up less space than aluminium wire.

2.The difference of production cost

Enameled aluminum wires is much cheaper than that of enameled copper wires.

3.The biggest area advantages of magnet aluminum wires production in China

China is a country with rich aluminum resource, and aluminum resources are concentrated in the central part of China and the southwest and southeast of China. Our Henan province has the biggest aluminum processing bases. So it can offer most convenience for our enameled aluminum wires’ production.The rapid expansion of China's aluminum industry and its strategic location have indeed changed the global aluminum industry landscape. That is another deeper reason that Trump's latest trade policy has been restricting China Aluminum's development and increasing of the import tax of enameled aluminum wires.

Magnet aluminum wires’ using will be the unavoidable frequency of future transformers and motor production.

At last, we sincerely hope you can find the most suitable enameled aluminum wires partner in the future. We are right here waiting for you all the time.